Cristiano F.1, Caliò S.M. 2 , Merlo G. 3 , Albana S. 3 , Rottura M. 1

1Dipartment of Clinical and Experimental Medicine, University of Messina, Messina;
2Unit of Anesthesia and Intensive Care, Hospital establishment Barone Ignazio Romeo of Patti – ASP Messina;
3Medical Management, Hospital establishment Barone Ignazio Romeo of Patti– ASP Messina